// const fs = require("fs");
// var readStream = fs.createReadStream("./swrill.gif");
// var writeStream = fs.createWriteStream("./data/swrill.gif");
// readStream.pipe(writeStream);
const fs = require("fs");
var readStream = fs.createReadStream("./fs.zip");
var writeStream = fs.createWriteStream("./data/fs.zip");
readStream.pipe(writeStream);

/**
 * 创建读取流和写入流
 * 读取流.pipe(写入流即可)
 *  */
